Home / 1,230,645.12-1,846,162.89-520,678.50

Finding the Fourth Proportional to 1,230,645.12, 1,846,162.89 and 520,678.50

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Solution

The fourth proportional to 1,230,645.12, 1,846,162.89 and 520,678.50 is: 781,100.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,645.12 : 1,846,162.89 = 520,678.50 : x
  2. Step 2: Convert to fraction form
    1,230,645.12/1,846,162.89 = 520,678.50/x
  3. Step 3: Cross multiply
    1,230,645.12x = 1,846,162.89 × 520,678.50
  4. Step 4: Simplify right side
    1,230,645.12x = 961,257,324,320.87
  5. Step 5: Solve for x
    x = 961,257,324,320.87/1,230,645.12
  6. Step 6: Final answer
    x = 781,100.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.